Nate Diaz Under USADA Investigation For Potential Marijuana Use In Vape Pen

There are some things people simply shouldn’t say or do, especially if you’re a public figure. UFC star Nate Diaz might be learning this the hard way.

Diaz could be facing a fine and other potential repercussions as a result of his decision to smoke a vape pen that he revealed contained “CBD” during the post-fight press conference for UFC 202 on Saturday night in Las Vegas, Nevada.

“It’s CBD,” Diaz said when asked what he was smoking, which you can see in the above video. “It helps with the healing process and inflammation, stuff like that. So you want to get these for before and after the fights, training. It’ll make your life a better place.”

CBD, or cannibidiol oil, is one of 113 active cannabinoids in cannabis. Because cannabinoids are on the banned substance list connected with the UFC’s Anti-Doping Policy, Diaz is under investigation by USADA right now.

“I can confirm that USADA is aware of the situation,” USADA spokesperson Ryan Madden told “[We are] currently gathering information in order to determine the next appropriate steps.”

Nate Diaz lost to Conor McGregor via Majority Decision after an epic five-round battle in their 170-pound rematch in the main event of Saturday’s pay-per-view. For highlights of the fight, click here.

H/T to for the above Nate Diaz press conference video.